diff --git a/sf_demand_plan/models/sf_demand_plan.py b/sf_demand_plan/models/sf_demand_plan.py
index 9c55aadd..c1f325dc 100644
--- a/sf_demand_plan/models/sf_demand_plan.py
+++ b/sf_demand_plan/models/sf_demand_plan.py
@@ -146,8 +146,9 @@ class SfDemandPlan(models.Model):
         for line in self:
             sum_plan_uom_qty = sum(line.line_ids.mapped('plan_uom_qty'))
             pending_qty = line.product_uom_qty - sum_plan_uom_qty
+            rounding = line.product_id.uom_id.rounding or 0.01
             if float_compare(pending_qty, 0,
-                             precision_rounding=line.product_id.uom_id.rounding) == -1:
+                             precision_rounding=rounding) == -1:
                 line.pending_qty = 0
             else:
                 line.pending_qty = pending_qty